Is CVE-2020-8599 known to be exploited?

Yes. CVE-2020-8599 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Vulnerability in Trend Micro Officescan, Apex One

CVE-2020-8599

Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not requi…

EPSS: 0.579 (98.2th percentile) — read the EPSS interpretation.

Affected products

Trend Micro Officescan, Apex One — versions OfficeScan XG (12.0), Apex One 2019 (14.0)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

success.trendmicro.com/solution/000245571 (x_refsource_MISC)
success.trendmicro.com/jp/solution/000244253 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8599?: CVE-2020-8599 is a vulnerability in Trend Micro Officescan, Apex One. Published 2020-03-18.
Is CVE-2020-8599 known to be exploited?: Yes. CVE-2020-8599 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.